TY - JOUR T1 - MİKRODALGA TÜMÖR ABLASYONU İÇİN HÜZME YÖNLÜLÜĞÜ YÜKSEK KOMPAKT ANTEN VE KOMPAKT ÇOK BANDLI DÜZLEMSEL ANTEN TASARIMI VE ANALİZİ TT - BEAM DIRECTION HIGH COMPACT ANTENNA AND COMPACT MULTIBAND PLANAR ANTENNA DESIGN AND ANALYSIS FOR MICROWAVE TUMOR ABLATION AU - Görgün, Ahmet Rıfat AU - Çömlekçi, Selçuk AU - Kaya, Adnan PY - 2019 DA - September Y2 - 2019 DO - 10.21923/jesd.533235 JF - Mühendislik Bilimleri ve Tasarım Dergisi JO - MBTD PB - Süleyman Demirel University WT - DergiPark SN - 1308-6693 SP - 662 EP - 670 VL - 7 IS - 3 LA - tr AB - Mikrodalga ablasyonu (MDA) kanserli dokuları mikrodalga enerjisinikullanarak yok etme tekniği olarak bilinmektedir. İmplant antenler mikrodalgaablasyonu (MDA) için uygun antenler olup, küçük yapıları ve düşük maliyetleriile tercih edilmektedir. Kanserli dokunun gelişimini etkin bir şekildebaskılayabilmek için, özgül soğrulma oranı (ÖSO) ve sıcaklık dağılımı kontroledilebilen bu tip antenler değişik frekans ve güçlerde kullanılmaktadır. Buçalışmada mikrodalga tümör ablasyonu için CST Studio ile tasarlanan ve 2.41 GHzde rezonans durumunda olan hüzme yönlülüğü yüksek kompakt anten ve 2.46 GHz’ derezonans durumunda olan kompakt çok bandlı düzlemsel anten kullanıldı. Buradyatör tip antenler 2.45 GHz’ de tümörlü doku karşısına yerleştirilereksimule edildi. Hüzme yönlülüğü yüksek kompak anten için 2.41 GHz de yaptığıışıma sonucunda maksimum SAR değeri 8.53 W/kgSAR/10g olarak elde edildi ve ısı akışı 1 W için sıcaklık aralığı 37 –48℃ olarak elde edildi. Kompakt çok bandlı düzlemsel anten için2.45 GHz de yaptığı ışıma sonucunda maksimum SAR değeri 22.5 W/kg SAR/10g olarak elde edildi ve ısı akışı 1 Wiçin sıcaklık aralığı 36 –41℃ olarak elde edildi. Antenlerin analizi ileilgili olarak Geri dönüş kaybı(S11), elektrik alan, yönlendiricilikve SAR değerleri ilesimulasyonda mikrodalga gücünün uygulanmasıyla bir eğri buyunca elde edilensıcaklık – uzaklık grafikleri simulasyon sonucu olarak rapor edilmiş vesonuçlar yorumlanmıştır. Elde edilen simulasyon sonuçlarına göre her ikianteninde mikrodalga ablasyonunda kullanılabileceğine dair sonuçlar eldeedilmiştir. KW - Ablasyon KW - Mikrodalga ısıtma KW - Özgül soğrulma oranı (ÖSO) KW - Radyatör anten N2 - Microwave ablation (MWA) is known as the technique of destroyingcancerous tissues using microwave energy. Implant antennas are suitableantennas for microwave ablation (MWA) and are preferred for small structuresand low costs. In order to effectively suppress the development of canceroustissue, this type of antenna can be controlled with specific absorption rate(SAR) and temperature distribution. In this study beam direction high compactantenna resonance at 2.41 GHz and compact multiband planar antenna resonance at2.46 GHz were designed with CST Studio for microwave tumor ablation. Theseradiator type antennas were simulated by placing them on a tumor tissue at 2.45GHz. As a result of the radiation at 2.41 GHz for the beam directional highcompact antenna, the maximum SAR value was obtained as 8.53 W/kgSAR/10g and the temperature range for heat flow 1 W was obtained as 37–48℃ For a compact multi-band planar antenna at2.45 GHz, the maximum SAR value was obtained as 22.5 W / kg SAR / 10 g and the temperaturerange for heat flow 1 W was obtained as 37 –48℃. With respectto the analysis of antennas, return loss (S11), electric field, directivity andSAR values and temperature - distance graph obtained as a result of theapplication of microwave power in simulation, were reported as a result ofsimulation and the results were interpreted. CR - Chen, Z. N., Liu, G. C. and See, T. S. P. (2009). Transmission of RF signals between MICS loop antennas in free space and implanted in the human head. IEEE Trans. Antennas Propag., vol. 57, pp. 1850–1853. 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